[dpdk-dev] [PATCH] examples/l3fwd: force CRC stripping for i40evf

Thomas Monjalon thomas.monjalon at 6wind.com
Thu Nov 10 15:32:17 CET 2016

2016-11-10 13:50, Mori, Naoyuki:
> Hi,
> >    Thomas wrote:
> >     > Just to make it sure, you mean returning an error in the driver when
> >     > a configuration cannot be applied, right?
> >    
> >    Yes, as in 1bbcc5d21129 ("i40evf: report error for unsupported CRC
> >    stripping config"), where -EINVAL is returned.
> >    
> >    Bj?rn
> On my experience, OvS+DPDK has same issue.
> You cannot run OvS on i40evf due to this CRC config mismatch, while OvS on ixgbevf works fine.
> So, changing on i40evf PMD side would have more benefit, I believe.

No I think OVS should handle the configuration error.
We could also add a function to query this capability before configuring.

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